197 Answered Questions for the topic AP physics

05/07/16

#### A force of magnitude 30N stretches a spring .83m from equilibrium. What is the value of the spring constant.

Applying Newtons laws

05/07/16

#### A block of ice is sliding down a ramp of slope 40 degrees to the horizontal. What is the rate of acceleration of the block?

Applying Newtons laws

05/07/16

#### A spring scale is constructed so that each 0.10N increment is separated by 0.50 cm. What spring constant is necessary for the scale to be accurate?

It is supposedly about applying Newtons Laws.

04/26/16

#### URGENt ap physics help

You are given three 2 ohm resistors, some wire, a variable DC voltage supply, a voltmeter and ammeter. A. Draw a schematic diagram of a circuit that will produce an equivalent resistance of 3 ohms... more

04/11/16

#### problem about interference - waves

You have two vibrating objects in an infinitely large pool. The distance between them is 6.0 m. Their frequency of vibration is 2.0 Hz and the wave speed is 4.0 m/s. The vibrations are sinusoidal.... more

04/02/16

#### 2 Conceptual Questions about Fluids/Physics

1) Blood flows through an artery that is partially blocked. As the blood moves from the wider region into the narrow region, the blood speed:a) Alternately increases then decreasesb) decreasesc)... more

03/22/16

#### This theoretical lab question is meant to test our understanding of oscillation, feel confused with how there can be variables

We would like to test the relation T= 2π* sqrt (L/g) for a pendulum at small angle oscillation in our lab. How can we set it up? We have ropes and masses and stop watches. 1) What would you... more

03/21/16

#### Pendulum- Looking for tutors to help on a regular basis with ap physics 1 algebra based

A pendulum is made of a rope of length l=3.0 meter and a mass of 200g. Find the frequency and period of this pendulum. If we pull the above pendulum to the left by A=10 cm and release it form rest.... more

03/20/16

#### Ap Physics 1 algebra based Oscillation

You set up a simple harmonic motion by attaching a mass of 100 g to a spring. To find the spring constant, you hang the mass to the spring vertically and find the spring stretches 10 cm. Find k of... more

03/11/16

#### Physics waves questions:

An incident pulse reaches the boundary with a different medium. At the boundary, there is some reflection and transmission. The transmitted pulse is observed to be traveling slower than the... more

02/04/16

#### AP Physics lab practical (simple harmonic motion): "Kiss the egg"

The lab is called "kiss the egg". I am pretty sure it will come up if you google it in case it does not make sense how I explain it.I am given a random length of rubber band. The goal of the lab is... more

01/16/16

#### A 500 kg car is moving at 40 m/s. What is the impulse needed to stop this car?

I found the momentum (20,000 ns)   the other things the question asks is: if this car takes 15 sec to stop, what is the average braking force? what is the time rate of change in momentum?

01/05/16

#### AP Physics (rotational motion question)

The drum shown in the figure has a radius of .4 meters and a moment of inertia of 2.3 kgm^2 about an axis perpendicular to it through its center. The frictional torque at the drum axle is 3 Nm. A... more

01/04/16

#### physics homework problem on impulse

A punter drops a ball from rest vertically 1 meter down onto his foot. The ball leaves the foot with a speed of 18 m/s at an angle 55º above the horizontal. What is the impulse delivered by the... more

12/28/15

#### with an initial speed of 8.0 m/s at an angle of 40 degrees above the horizontal. The ball leaves her hand 1.0 meters above the ground. See full question below.

A child throws a ball with an initial speed of 8.0 m/s at an angle of 40 degrees above the horizontal. The ball leaves her hand 1.0 meters above the ground. At what angle below the horizontal does... more

11/20/15

#### how many moles of gas?

A gas with an initial temperature of 790 °C undergoes an isobaric process . Final temp = 81.3 CA) How many moles of gas are there?   Hint:You must use Pascal for pressure and cubic meters for... more

09/20/15

#### At what time do they collide in terms of D, Vo, and a

At a certain instant in time a toy car is traveling at a constant speed of Vo to the right while a distance D ahead is another toy car starting from rest and traveling to the left with constant... more

09/18/15

#### a steel ball is dropped onto a hard floor from a height of 1.30 m and rebounds to a height of 1.25 m. calculate its velocity just before it strikes the floor

a steel ball is dropped onto a hard floor from a height of 1.30 m and rebounds to a height of 1.25 m. calculate its velocity just before it strikes the floor

05/19/15

1. The Milky Way contains a supermassive black hole with mass of 4 million times the Sun(!). a. If the black hole is 2.4x10^20 away from Earth, calculate the gravitational force between the black... more

11/17/14

#### A rocket skateboard of mass 3.00 kg has an initial velocity of (5.00, 2.50) m/s. A net force of (3.40, 2.67) N is applied to it for 10.0 s. what's the velocity?

Its asking for the velocity at the end of the time but i have never encountered two velocities and forces together inside parantheses

10/22/14

#### How long does the pinball sit in its area?

A pinball is moving through a pinball machine at 1 m/s and hits an accelerator. When it leaves the accelerator, it is traveling at 2 m/s over the distance of 2.7 cm. How long is the pinball in the... more

04/07/14

#### An object moves with a constant acceleration of 5 m/s squared which of the following statements is true

A. Just velocity stays the same b. it moves 5 m each second c. Objects velocity changes 5 m/s each Second

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